Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Malvales Malvaceae

Scientific Name: Hibiscadelphus giffardianus
Species Authority: Rock

Assessment Information [top]

Red List Category & Criteria: Critically Endangered D ver 2.3
Year Published: 1998
Date Assessed: 1998-01-01
Needs updating
Assessor(s): World Conservation Monitoring Centre
Previously published Red List assessments:
1998 Endangered (E)
1978 Endangered (E)

Geographic Range [top]

Range Description: The genus is endemic to the Hawaiian Islands and is known from species which are Extinct or Critically Endangered.
Countries occurrence:
United States (Hawaiian Is.)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The last of the original wild specimens on Mauna Loa, Hawaii, died in 1930.
Additional data:

Habitat and Ecology [top]

Threats [top]

Major Threat(s): Trees show some signs of damage by rats and pests. The establishment of a viable population in the wild may be hampered by the decline of the plants' likely pollinator, the Hawaiian honey-creeper species.

Conservation Actions [top]

Conservation Actions: Cuttings from the species in cultivation have been reintroduced into a fenced area at Kipuka Puaulu, in Volcanoes National Park. Nine individuals remain here. The species is classified as endangered on the US Endangered Species Act.

Citation: World Conservation Monitoring Centre. 1998. Hibiscadelphus giffardianus. The IUCN Red List of Threatened Species 1998: e.T30396A9536230. . Downloaded on 10 October 2015.
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